CN109780140A - Drive apparatus and automobile back door closing device - Google Patents
Drive apparatus and automobile back door closing device Download PDFInfo
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- CN109780140A CN109780140A CN201910006389.3A CN201910006389A CN109780140A CN 109780140 A CN109780140 A CN 109780140A CN 201910006389 A CN201910006389 A CN 201910006389A CN 109780140 A CN109780140 A CN 109780140A
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- planetary gear
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Abstract
The present invention provides a kind of drive apparatus, it includes motor, turn reducing speed portion and output section, turn reducing speed portion includes second shell and is set to the intracorporal gear set of second shell, the gear set includes first order planetary gear construction and second level planetary gear construction, the motor drives the rotation of first order planetary gear construction, the first order planetary gear construction connect with the second level planetary structure and the second level planetary gear construction can be driven to rotate, the second level planetary gear construction can be rotated relative to the second shell, the output section is connect with the second level planetary gear, to transmit the revolving speed after slowing down.The present invention also provides a kind of automobile back door closing devices comprising above-mentioned drive apparatus.Drive apparatus and automobile back door closing device of the invention has the advantages that slowing effect is preferable.
Description
[technical field]
The present invention relates to transmission technical field, in particular to a kind of drive apparatus and automobile back door closing device.
[background technique]
On the market most of transmission device otherwise be exactly only be provided with a planetary gear mechanism with turn reducing speed or be exactly
Gear slave unit connected to it in transmission device is directly connected to, so that the turn reducing effect of transmission device is poor or uses
Service life is lower.
Therefore, how at least to solve that current transmission device slowing effect is poor or the lower one of both of service life is asked
Topic has become the emphasis solved.
[summary of the invention]
To overcome above-mentioned technical problem, the present invention provides a kind of drive apparatus and automobile back door closing devices.
The scheme that the present invention solves technical problem is to provide a kind of drive apparatus comprising motor, turn reducing speed portion and output
Portion, turn reducing speed portion include second shell and are set to the intracorporal gear set of second shell, and the gear set includes first order row
Star gear structure and second level planetary gear construction, the motor drive the rotation of first order planetary gear construction, the first order
Planetary gear construction connect with the second level planetary structure and the second level planetary gear construction can be driven to rotate, and described the
Secondary planetary gear structure can be rotated relative to the second shell, and the output section is connect with the second level planetary gear,
To transmit the revolving speed after slowing down.
Preferably, the second level planetary gear construction includes the second sun gear, the second planetary gear, the second gear ring and second
Wheel disc, second sun gear are set on the first order planetary gear construction and engage with the second planetary gear, and second too
Sun is taken turns is provided with the first link block far from first order planetary gear construction on one side；Second wheel disc is close to the second sun gear
One side on be provided with the second link block, another side is connect with the output section；
Second gear ring is engaged with second planetary gear, and the second gear ring is arranged on the inner wall of second shell and can phase
Second shell is rotated, and is provided with the first adjustment module, the second shell in one side of second gear ring far from the second planetary gear
The second adjustment module is provided on body；Second planetary gear is set on second wheel disc；
First link block and the second link block, the first adjustment module and the second adjustment module and external power supply connect
It connects, and can produce magnetic force after being powered.
Preferably, the motor includes output end, and the first order planetary gear construction includes the first sun gear, the first row
Star-wheel, first gear ring and the first wheel disc, first sun gear are fixedly connected with output end and can be by output end band turns
Dynamic, first sun gear is engaged with the first planetary gear, and first planetary gear is arranged in the one side of the first wheel disc, and described the
One planetary gear is engaged with the first gear ring, and second sun gear is set to one of first wheel disc far from first planetary gear
On face.
Preferably, second planetary gear is arranged on the another side of the first wheel disc, second planetary gear and the second tooth
Circle engagement, second sun gear are fixed in the one side of the second wheel disc, the another side of second wheel disc and output section
Connection.
Preferably, second sun gear is made of one piece with the first wheel disc.
Preferably, the output section includes driving section, and the driving section is connect with gear set with slave equipment respectively to be used for
Power is transmitted to slave equipment, the driving section is in hollow form structure, and locating slot is arranged inside.
Preferably, the output section includes driving section, and the driving section is connect with gear set with slave equipment respectively to be used for
Power is transmitted to slave equipment, the driving section is column structure, and with teeth or keyway is arranged in its side.
Preferably, the first order planetary gear construction and second level planetary gear construction are single-row single-stage planetary gear machine
Structure and/or single double pinions mechanism.
Preferably, the output section includes third shell and driving section, and the output section includes driving section, the driving section
Connect with gear set with slave equipment respectively for transmitting power to slave equipment, the third shell and second shell it is another
End is fixedly connected, and the driving section appears from one end of third shell and third housing into rotation, the third shell can use relatively
In fixed conveyor portion.
The present invention also provides a kind of automobile back door closing devices comprising automobile tail gate, the slave equipment and above-mentioned
Drive apparatus, the drive apparatus are connect by output section with slave equipment, and slave equipment is connect with automobile tail gate, drive apparatus
The power after turn reducing speed portion speed change is sent to slave equipment when being powered, and slave equipment transmits dynamic according to drive apparatus
Power control automobile tail gate opens and closes the on or off to realize automobile tail gate.
Compared with the existing technology, drive apparatus of the invention has the advantages that
1, by the first adjustment module of setting, the second adjustment module, the first link block and the second link block, to realize
Drive apparatus can change different deceleration modes.
2, the turn reducing speed portion of the drive apparatus includes two planetary gear mechanisms, and deceleration can be effectively performed, and turn reducing speed portion will
Revolving speed after decelerating through motor is transmitted to slave equipment by output section；The setting of output section can avoid slave equipment and gear set is direct
The damage of gear set is connected and may cause, and output section can increase the operating distance of gear set to a certain extent, be conducive to
Gear set is lengthened at a distance from slave equipment.
3, the second sun gear and the first wheel disc are integrally formed, and are conducive to increase consolidating between the first wheel disc and the second sun gear
Degree is determined, conducive to the service life for promoting drive apparatus.
4, driving section is hollow form or column structure, and it is convenient firm with slave equipment to be provided with tooth, keyway etc.
Connection, increases the range of fit of driving section.
5, first order planetary gear construction, second level planetary gear construction are single-row single-stage planetary gear train or single pair
Grade planetary gear mechanism, has the performance of preferably turn reducing speed.
[Detailed description of the invention]
Figure 1A is the schematic perspective view of transmission device of the invention.
Figure 1B is the schematic diagram of the section structure of transmission device one of the invention along its length.
Fig. 2 is turn reducing speed portion and the configuration schematic diagram of driving section of transmission device of the invention.
Fig. 3 is the stereochemical structure signal of the first sun gear, the first planetary gear and the first wheel disc of transmission device of the invention
Figure.
Fig. 4 is the stereochemical structure signal of the second sun gear, the second planetary gear and the first wheel disc of transmission device of the invention
Figure.
Fig. 5 is the configuration schematic diagram of the driving section and the turn reducing speed portion of a deformation of transmission device of the invention.
Description of symbols:
10, drive apparatus；11, motor；12, turn reducing speed portion；13, output section；111, first shell；112, output end；
121, second shell；122, gear set；131, third shell；132, driving section；123, first order planetary gear construction；124,
Secondary planetary gear structure；125, the first sun gear；126, the first planetary gear；127, the first gear ring；128, the first wheel disc；
1241, the second sun gear；1242, the second planetary gear；1243, the second gear ring；1244, the second wheel disc；1321, locating slot.
[specific embodiment]
In order to make the purpose of the present invention, technical solution and advantage are more clearly understood, below in conjunction with attached drawing and embodiment,
The present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
Figure 1A and Figure 1B are please referred to, the present invention provides a kind of drive apparatus 10, for sending power to slave equipment,
Including motor 11, turn reducing speed portion 12 and output section 13, motor 11 is fixedly connected with the one end in turn reducing speed portion 12 and drives turn reducing fast
Portion 12 rotates, and the other end in turn reducing speed portion 12 is fixedly connected with output section 13 and output section 13 is driven to rotate, and turn reducing speed portion 12 uses
Pass to output section 13 after the revolving speed of motor 11 to be carried out to deceleration processing, output section 13 will be slowed down that treated, and revolving speed transmits
To slave equipment.
Please continue to refer to Figure 1B, motor 11 includes first shell 111 and output end 112, and turn reducing speed portion 12 includes second shell
Body 121 and the gear set 122 being arranged in second shell 121, output section 13 include third shell 131 and driving section 132, the
One shell 111 is fixedly connected with one end of second shell 121, and output end 112 is fixedly connected with one end of gear set 122, third
Shell 131 is fixedly connected with the other end of second shell 121, and driving section 132 is fixedly connected with the other end of gear set 122,
Output end 112 drives gear set 122 to rotate, and the gear set 122 of rotation drives driving section 132 to rotate relative to third shell 131.Its
Middle first shell 111 can be integrally formed with second shell 121, second shell 121 and third shell 131 or after seperated molding
It is fixedly connected, specifically, first shell 111 and second shell 121, second shell 121 and third shell 131 pass through pin
Mode connects.
Referring to Fig. 2, gear set 122 includes the first order planetary gear construction 123 and second level planet tooth being fixedly connected
Wheel construction 124, output end 112 are fixedly connected with first order planetary gear construction 123 and drive first order planetary gear construction 123
Rotation, second level planetary gear construction 124 are fixedly connected with driving section 132 and driving section 132 are driven to rotate.
Please continue to refer to Fig. 2, first order planetary gear construction 123 includes the first sun gear 125, the first planetary gear 126, the
One gear ring 127 and the first wheel disc 128, the first sun gear 125 are fixedly connected and by output end 112 with turn with output end 112
Dynamic, the first sun gear 125 is engaged with the first planetary gear 126, and the first planetary gear 126 is arranged in the one side of the first wheel disc 128, the
One gear ring 127 is fixed at 121 inner wall of second shell, and the first planetary gear 126 is engaged with the first gear ring 127.
Referring to Fig. 3, it is preferred that and being uniformly distributed in there are three the settings of the first planetary gear 126 with 125 axle center of the first sun gear
For on the circumference in the center of circle, three the first planetary gears 126 are engaged with the first sun gear 125.
Second level planetary gear construction 124 include the second sun gear 1241, the second planetary gear 1242, the second gear ring 1243 with
Second wheel disc 1244, the second sun gear 1241 being fixedly connected on one side far from the first planetary gear 126 with the first wheel disc 128, second
Sun gear 1241 is engaged with the second planetary gear 1242, and the second planetary gear 1242 is fixed in the one side of the second wheel disc 1244,
Second gear ring 1243 is arranged on the inner wall of second shell 121 and can rotate relative to second shell 121, the second planetary gear 1242
It is engaged with the second gear ring 1243.
Referring to Fig. 4, it is preferred that and being uniformly distributed in there are four the settings of the second planetary gear 1242 with 1241 axis of the second sun gear
The heart is on the circumference in the center of circle, and four the second planetary gears 1242 are engaged with the second sun gear 1241.
Please continue to refer to Fig. 2, the second gear ring 1243 is provided with the first adjusting mould in the one side far from the second planetary gear 1242
Block (not shown) is provided with the second adjustment module (not shown) on the inner wall of second shell 121.First adjustment module and the second tune
Section module is connect with external power supply simultaneously, and can produce magnetic force after the first adjustment module and the energization of the second adjustment module.When first
When adjustment module and the second adjustment module are powered, the second gear ring 1243 is adsorbed with second shell inner wall, and the second gear ring 1243 can not
It is rotated relative to second shell 121.
Second sun gear 1241 is provided with the first link block (not shown), the second wheel far from the first wheel disc 128 on one side
Disk 1244 is provided with the second link block (not shown), the first link block and second in the one side of the second sun gear 1241
Link block is connect with external power supply simultaneously, when the first link block and the energization of the second link block, is generated magnetic force, is mutually inhaled
Being accompanied by, which adsorbs the second sun gear 1241 and the second wheel disc 1244, connects.It is appreciated that the first adjustment module, the second adjusting mould
Block, the first link block and the second link block all can be electromagnet or silicon steel sheet, as long as can generate magnetic force after being powered.
When the motor 11 work, and the first adjustment module and the second adjustment module are powered, the first link block and the second company
When connection module no power, output end 112 drives the rotation of the first sun gear 125, and the first sun gear 125 drives first be engaged with
Planetary gear 126 rotates, and the first planetary gear 126 and the first gear ring 127 cooperate, to drive the rotation of the first wheel disc 128, the first wheel disc
128 drive the second sun gear 1241 of connection fixed thereto to rotate in rotation, and the second sun gear 1241 drives the second planetary gear
1242 rotations, the second planetary gear 1242 and the second gear ring 1243 cooperate to drive the second wheel disc 1244 to rotate, and then the second wheel disc
1244 drive the driving section 132 of connection fixed thereto to rotate.The faster revolving speed of motor 11 is slowed down in cooperation through gear set 122
It exports to the revolving speed for meeting actual requirement and by driving section 132 to slave equipment.
It is appreciated that the first planetary gear 126 and the first gear ring 127 cooperate, so that the concrete principle of the first wheel disc 128 rotation
Are as follows: cooperated by the resultant force between the first sun gear 125, the first planetary gear 126 and the first gear ring 127, to be supplied to the first round
The power that disk 128 rotates.Such as, when the first sun gear 125 rotates clockwise, the first external toothing therewith of planetary gear 126, i.e., first
Planetary gear 126 is by the anticlockwise power of the first sun gear 125, so that the first planetary gear 126 be made to rotate counterclockwise.Due to
127 internal messing of first planetary gear 126 and the first gear ring, i.e. the first planetary gear 126 will drive the first gear ring 127 and turn counterclockwise together
It is dynamic.But since the first gear ring 127 is fixedly installed on 121 inner wall of second shell, can not be rotated relative to second shell 121, this
When the first planetary gear 126 rolled on the first gear ring 127, the first gear ring 127 can to the first planetary gear 126 provide and rolling square
To opposite power namely clockwise power, the first planetary gear 126 is fixedly connected on the first wheel disc 128, so the first round
Disk 128 rotates clockwise under this force.That is, only when the first gear ring 127 can not be rotated relative to second shell, the
One wheel disc 128 just understands Forced rotation, to drive the rotation of the second sun gear 1241.Similarly, only when the second gear ring 1243 can not
When being rotated relative to second shell 121, i.e. when the first adjustment module is with the second adjustment module energization magnetic absorption, the second wheel disc
1244 just understand Forced rotation, so that driving section 132 be driven to rotate.
In the present embodiment, the first gear ring 127 is different from the number of teeth of the second gear ring 1243, the first gear ring 127 and the first row
The transmission ratio that star-wheel 126 engages is different from the transmission ratio that the second gear ring 1243 is engaged with the second planetary gear 1242.
Drive apparatus 10 provided by the invention can pass through the first adjustment module of control, the second adjustment module, the first connection mould
Energization between block and the second link block, to realize the output of different drive ratios.
Specifically, the first link block and the second link block are obstructed when the first adjustment module, the second adjustment module are powered
When electric, the deceleration transmission mode of for example above-mentioned gear for two stage planetary gear train of the kind of drive of drive apparatus 10 utilizes first order row simultaneously
The kind of drive that star gear structure 123 and second level planetary gear construction 124 slow down.
When the first adjustment module and the second adjustment module no power, when the first link block and the second link block are powered,
The kind of drive of drive apparatus 10 is that motor 11 drives the rotation of the first sun gear 125, and the drive of the first sun gear 125 is engaged with
The rotation of the first planetary gear 126, the first planetary gear 126 and the first gear ring 127 cooperate, to drive the first wheel disc 128 to rotate, from
And drive the second sun gear 1241 rotation being set on the first wheel disc 128.Due to the first adjustment module and the second adjustment module
No power, i.e. the second gear ring 1243 can be rotated relative to second shell 121, namely be unable to drive the rotation of the second wheel disc 1244.But
Since the first link block and the second link block are powered, so 1244 magnetic absorption of the second sun gear 1241 and the second wheel disc,
Second sun gear 1241 can directly drive the second wheel disc 1244 rotate, with drive driving section 132 rotate, realization output power to
Slave equipment.That is, the first link block and the second link block are logical when the first adjustment module and the second adjustment module no power
When electric, the kind of drive of drive apparatus 10 is real straight through the first sun gear 125, the first planetary gear 126 and the first gear ring 127
The primary planet train deceleration transmission mode now slowed down only realizes the transmission side slowed down with first order planetary gear construction 123
Formula.
By two different deceleration transmission modes, it can be achieved that the transmission of different rotating speeds, to increase making for drive apparatus 10
Use range.
It is appreciated that first order planetary gear construction 123 and second level planetary gear construction 124 are single single-stage planetary tooth
Take turns mechanism or single double pinions mechanism, including but not limited to this, as long as meeting what motor 11 exported after gear set 122
Revolving speed reduces；Preferably, the second sun gear 1241 is made of one piece with the first wheel disc 128, including but not limited to this,
Second sun gear 1241 can also form in fixation with the first wheel disc 128 after seperated molding；Wherein the first gear ring 127, the second gear ring
1243 are respectively used to the first sun gear 125 of protection and the first planetary gear 126, the second sun gear 1241 and the second planetary gear 1242,
And for further turn reducing speed.
Referring to Fig. 5, driving section 132 is in hollow form structure, and be provided in transport unit locating slot 1321 so as to from
Dynamic equipment connection transmission power.
In some embodiments, in order to increase the range of fit of driving section 132, driving section 132 can also be column structure,
With teeth or keyway is arranged in side.
The present invention also provides a kind of automobile back door closing device (not shown) comprising above-mentioned drive apparatus 10, automobile
Tail-gate and slave equipment, drive apparatus 10 sends the power after turn reducing speed portion speed change to slave equipment when being powered, driven
Equipment controls the folding of automobile tail gate according to the power that drive apparatus transmits to realize the on or off of automobile tail gate.
Compared with the existing technology, drive apparatus of the invention has the advantages that
1, by the first adjustment module of setting, the second adjustment module, the first link block and the second link block, to realize
Drive apparatus can change different deceleration modes.
2, the turn reducing speed portion of the drive apparatus includes two planetary gear mechanisms, and deceleration can be effectively performed, and turn reducing speed portion will
Revolving speed after decelerating through motor is transmitted to slave equipment by output section；The setting of output section can avoid slave equipment and gear set is direct
The damage of gear set is connected and may cause, and output section can increase the operating distance of gear set to a certain extent, be conducive to
Gear set is lengthened at a distance from slave equipment.
3, the second sun gear and the first wheel disc are integrally formed, and are conducive to increase consolidating between the first wheel disc and the second sun gear
Degree is determined, conducive to the service life for promoting drive apparatus.
4, driving section is hollow form or column structure, and it is convenient firm with slave equipment to be provided with tooth, keyway etc.
Connection, increases the range of fit of driving section.
5, first order planetary gear construction, second level planetary gear construction are single-row single-stage planetary gear train or single pair
Grade planetary gear mechanism, has the performance of preferably turn reducing speed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in original of the invention
Made any modification within then, equivalent replacement and improvement etc. should all be comprising within protection scope of the present invention.
Claims (10)
1. a kind of drive apparatus, for power to be transmitted to the slave equipment being attached thereto, it is characterised in that: the drive apparatus packet
Motor, turn reducing speed portion and output section are included, turn reducing speed portion includes second shell and is set to the intracorporal gear set of second shell, institute
Stating gear set includes first order planetary gear construction and second level planetary gear construction, and the motor drives first order planetary gear
Structure rotation, the first order planetary gear construction connect with the second level planetary structure and can drive the second level planet
Gear structure rotation, the second level planetary gear construction can rotate relative to the second shell, the output section with it is described
Second level planetary gear connection, to transmit the revolving speed after slowing down.
2. drive apparatus as described in claim 1, it is characterised in that: the second level planetary gear construction includes second sun
Wheel, the second planetary gear, the second gear ring and the second wheel disc, second sun gear are set on the first order planetary gear construction
And it is engaged with the second planetary gear, and the second sun gear is provided with the first connection mould far from first order planetary gear construction on one side
Block；Second wheel disc is provided with the second link block in the one side of the second sun gear, and another side and the output section connect
It connects；
Second gear ring is engaged with second planetary gear, and the second gear ring is arranged on the inner wall of second shell and can be with respect to
Two housing into rotation, and the first adjustment module is provided in one side of second gear ring far from the second planetary gear, in the second shell
It is provided with the second adjustment module；Second planetary gear is set on second wheel disc；
First link block and the second link block, the first adjustment module and the second adjustment module are connect with external power supply,
And it can produce magnetic force after being powered.
3. drive apparatus as claimed in claim 2, it is characterised in that: the motor includes output end, the first order planet
Gear structure includes the first sun gear, the first planetary gear, first gear ring and the first wheel disc, first sun gear and output
End is fixedly connected and can be driven by output end and rotates, and first sun gear is engaged with the first planetary gear, first planetary gear
It is arranged in the one side of the first wheel disc, first planetary gear is engaged with the first gear ring, and second sun gear is set to described
In one side of first wheel disc far from first planetary gear.
4. drive apparatus as claimed in claim 3, it is characterised in that: the another of the first wheel disc is arranged in second planetary gear
On face, second planetary gear is engaged with the second gear ring, and second sun gear is fixed in the one side of the second wheel disc, institute
The another side for stating the second wheel disc is connect with output section.
5. drive apparatus as claimed in claim 3, it is characterised in that: second sun gear and the first wheel disc be integrally formed and
At.
6. drive apparatus as described in claim 1, it is characterised in that: the output section includes driving section, the running part
It is not connect with gear set with slave equipment for transmitting power to slave equipment, the driving section is in hollow form structure, and in it
It is provided with locating slot.
7. drive apparatus as described in claim 1, it is characterised in that: the output section includes driving section, the running part
It is not connect with gear set with slave equipment for transmitting power to slave equipment, the driving section is column structure, and in its side
With teeth or keyway is arranged in face.
8. drive apparatus as described in claim 1, it is characterised in that: the first order planetary gear construction and second level planet
Gear structure is single-row single-stage planetary gear train and/or single double pinions mechanism.
9. drive apparatus as described in claim 1, it is characterised in that: the output section includes third shell and driving section, institute
Stating output section includes driving section, and the driving section is connect with gear set with slave equipment respectively to be set for transmitting power to driven
Standby, the third shell is fixedly connected with the other end of second shell, and the driving section appears from one end of third shell and can
Opposite third housing into rotation, the third shell are used for fixed conveyor portion.
10. a kind of automobile back door closing device, it is characterised in that: the automobile back door closing device includes automobile tail gate, described
Slave equipment and such as described in any item drive apparatus of claim 1-9, the drive apparatus pass through output section and slave equipment
Connection, slave equipment are connect with automobile tail gate, and drive apparatus sends the power after turn reducing speed portion speed change to when being powered
Slave equipment, the folding of dynamic Control automobile tail gate that slave equipment is transmitted according to drive apparatus with realize automobile tail gate open or
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006389.3A CN109780140A (en) | 2019-01-04 | 2019-01-04 | Drive apparatus and automobile back door closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006389.3A CN109780140A (en) | 2019-01-04 | 2019-01-04 | Drive apparatus and automobile back door closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109780140A true CN109780140A (en) | 2019-05-21 |
Family
ID=66499879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910006389.3A Pending CN109780140A (en) | 2019-01-04 | 2019-01-04 | Drive apparatus and automobile back door closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109780140A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939347A (en) * | 2019-12-12 | 2020-03-31 | 深圳市创晶辉精密塑胶模具有限公司 | Window opener |
| CN112943868A (en) * | 2021-01-28 | 2021-06-11 | 天津华建天恒传动有限责任公司 | High-power composite planetary wind power gear box |
-
2019
- 2019-01-04 CN CN201910006389.3A patent/CN109780140A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939347A (en) * | 2019-12-12 | 2020-03-31 | 深圳市创晶辉精密塑胶模具有限公司 | Window opener |
| CN112943868A (en) * | 2021-01-28 | 2021-06-11 | 天津华建天恒传动有限责任公司 | High-power composite planetary wind power gear box |
| CN112943868B (en) * | 2021-01-28 | 2021-09-28 | 天津华建天恒传动有限责任公司 | High-power composite planetary wind power gear box |
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| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518109 Tenth Industrial Zone of Pinus tabulaeformis Village, Longhua Town, Shenzhen City, Guangdong Province Applicant after: Shenzhen Sanduolle Intelligent Drive Co., Ltd. Address before: 518109 Tenth Industrial Zone of Pinus tabulaeformis Village, Longhua Town, Shenzhen City, Guangdong Province Applicant before: San-Tohno Molding (Shenzhen) Co., Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |